| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Asklepiades | - | Ancient Greek | ||
| Aspasia | - | Ancient Greek | ||
| Athanaric | - | Ancient Germanic | ||
| Athanas | - | Ancient Greek | ||
| Athanasia | - | Greek, Ancient Greek | ||
| Athanasios | - | Greek, Ancient Greek | ||
| Athanasius | ath-ə-NAY-shəs (English) | Ancient Greek (Latinized) | ||
| Athaulf | - | Ancient Germanic | ||
| Athenais | - | Ancient Greek | ||
| Auda | - | Ancient Germanic | ||
| Audamar | - | Ancient Germanic | ||
| Audo | - | Ancient Germanic | ||
| Audovacar | - | Ancient Germanic | ||
| Auxentios | - | Ancient Greek | ||
| Auxentius | - | Ancient Greek (Latinized) |